Jordan's Better SEO Image Tool

A simple web service written in Go that takes screenshots of specified web pages using Headless Chrome.

Features

• URL validation and normalization
• Domain whitelisting
• In-memory caching to reduce redundant screenshots
• Viewport capturing (1200x630) suitable for social media previews
• Basic support for scrolling to URL anchors (#fragment)
• Dockerized for easy deployment

API Usage

• /screenshot?url=<your_url> - Generates a screenshot of the specified URL
• /screenshot?url=<your_url>%23anchor - Generates a screenshot with the page scrolled to the specified anchor
• /clearcache?url=<your_url> - Clears the cache for a specific URL

Note: Only whitelisted domains can be used with this service.